1 Scope
This standard specifies the general provisions, coal sample, sieve test equipment and operation, analysis of test items and result interpretation of coal sieve test.
This standard is applicable to the determination of yield, ash content, moisture content, sulfur content, etc. of coal samples such as lignite, bituminite and anthracite.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 474-1996 Method for Preparation of Coal Sample (eqv ISO 1988: 1975)
GB/T 478 Method for Float and Sink Analysis of Coal (GB/T 478-2008, ISO 7936: 1992, MOD)
GB/T 4757-2001 Methods for the Batch Flotation Testing of Fine Coal
GB/T 6003.1-1997 Test Sieves of Metal Wire Cloth (eqv ISO 3310-1: 1990)
GB/T 6005-1997 Test Sieves - Metal Wire Cloth, Perforated Metal Plate and Electroformed Sheet - Nominal Sizes of Opening (eqv ISO 565: 1990)
GB/T 7186 Terms Relating to Coal Mining - Coal Preparation (GB/T 7186-1998, eqv ISO 1213-1: 1993)
MT/T 109-1996 Test Methods for Coal and Gangue Argillation
MT/T 1034-2006 Method of Sampling Run-of-Mine Coal
3 Terms and Definitions
For the purposes of this standard, the following terms and definitions apply.
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 General Provisions
5 Coal Sample
6 Equipment
7 Sieving
8 Analysis of Test Items
9 Interpretation of Result
Annex A (Informative) Corresponding Numbering Equivalent Clauses between This Standard and ISO 1953:
Annex B (Informative) Technical Deviations between This Standard and ISO 1953:1994 and Their Justifications
Annex C (Normative) Flow Chart for Raw Coal Sieve Test
Annex D (Informative) Sieve Test Report Form for Natural Fraction
Annex E (Informative) Test Result for Fine Coal Size Analysis
